Source register
Every consequential claim needs a trail.
This is the current human-reviewed source set. A source being listed does not make every statement on it timeless; review status and effective dates still matter.
manufacturerreviewed
Find out which wireless carriers support eSIM
Apple Support
- Retrieved
- 2026-07-16
- Reviewed
- 2026-07-16
manufacturerreviewed
Get a SIM and add it to your Pixel phone
Google Pixel Help
- Retrieved
- 2026-07-16
- Reviewed
- 2026-07-16
manufacturerreviewed
SIM cards for your Galaxy phone or tablet
Samsung Support
- Retrieved
- 2026-07-16
- Reviewed
- 2026-07-16
governmentreviewed
China Railway 12306 English FAQ
China Railway Customer Service Center
- Retrieved
- 2026-07-16
- Reviewed
- 2026-07-16
governmentreviewed
Entry policy interpretations and current notices
National Immigration Administration of China
- Retrieved
- 2026-07-16
- Reviewed
- 2026-07-16
governmentreviewed
How to Submit Your Arrival Card to China Online
National Immigration Administration of China
- Retrieved
- 2026-07-16
- Reviewed
- 2026-07-16
- Effective date
- 2025-12-22
governmentreviewed
Payment service guide for overseas visitors to China
The State Council of the People’s Republic of China
- Retrieved
- 2026-07-16
- Reviewed
- 2026-07-16
- Effective date
- 2024-04-11
governmentreviewed
Guide to Working and Living in China
The State Council of the People’s Republic of China
- Retrieved
- 2026-07-16
- Reviewed
- 2026-07-16
- Effective date
- 2025-01-01
governmentreviewed
Digital map services expand support for international visitors
Shanghai Municipal Government
- Retrieved
- 2026-07-16
- Reviewed
- 2026-07-16
- Effective date
- 2026-07-13